Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o número total afundado por navio de guerra ou corsário com 20 submarinos alemães perdidos e mais de 21616 afundados por aeronaves?
 ###Tabelas: CREATE TABLE stock_list (stock_list_id AUTO_INCREMENT PRIMARY KEY, Original No. INT, LNER No. (Intermediate No.) VARCHAR, BR No. INT, Name VARCHAR, Rebuild Date VARCHAR, Withdrawn VARCHAR) CREATE TABLE  (_id AUTO_INCREMENT PRIMARY KEY, Month, year VARCHAR, Sunk by U-Boat INT, Sunk by aircraft INT, Sunk by warship or raider INT, Sunk by mines INT, German submarines lost INT) CREATE TABLE stadiums (stadiums_id AUTO_INCREMENT PRIMARY KEY, Stadium VARCHAR, City VARCHAR, Capacity INT, Matches played INT, Overall attendance INT, Average attendance per match INT, Average attendance as % of Capacity VARCHAR, Overall goals scored INT, Average goals scored per match VARCHAR, Elevation VARCHAR) CREATE TABLE 2005_fall_season (2005_fall_season_id AUTO_INCREMENT PRIMARY KEY, Japanese Title VARCHAR, Romaji Title VARCHAR, TV Station VARCHAR, Episodes INT, Average Ratings VARCHAR) CREATE TABLE college_career (college_career_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Games INT, Rushes INT, Rushing Yards INT, Rushing TDs INT, Receptions INT, Receiving Yards INT, Receiving TDs INT)  
SELECT COUNT Sunk by warship or raider FROM  WHERE German submarines lost = 20 AND Sunk by aircraft > 21616